Before the car starts, the driver and all the passengers should always:

adjust the position of their seats

buckle and adjust their seatbelts

turn on the radio

none of the above

If a box is pushed across a floor with a force of 130N. The frictional force acting between the box and the floor is 30N, over a time period of 5 sec, Determine: 1) What is the net force acting on it?

Which statements describe diffraction? Check all that apply. Diffraction occurs when waves interact with a barrier. Diffraction occurs because waves pass into a new medium. Diffraction occurs when waves interact with a gap.

Dalton's atomic theory was based on careful measurements and extensive research. True or False

The first division of political parties came about because of what issue

In which of the following does Einstein's famous equation apply

Why should a truck have an engine that can produce more force than a regular car? A) "Net forces" do not affect cars and trucks the same way.

How does a electron travel through a closed circuit?

Most people can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 345 m/s, determine the wavelength of the sound corresponding to this upper range of audible hearing.

Define absolute zero in terms of the kinetic energy of particles

Estimate the number of atoms in 1 cm^3 of a solid